1. The welding angle of the air inlet of the post-processing system has promoted the manufacturers to improve. <br>2.4259 models have been changed. <br>3.3319 models have been developed and structural problems have been confirmed
1. The welding angle of the air inlet of the aftertreatment system has been improved by the manufacturer<br>2.4259 some models have been changed<br>3.3319 model R & D has confirmed that there are structural problems<br>